Xeon E5-4640 v2 vs E5-4660 v4

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Primary details

Comparing Xeon E5-4660 v4 and Xeon E5-4640 v2 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking788not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.81no data
Market segmentServerServer
SeriesIntel Xeon E5no data
Power efficiency7.63no data
Architecture codenameBroadwell (2015−2019)no data
Release date20 June 2016 (8 years ago)1 January 2014 (10 years ago)
Launch price (MSRP)$4,727no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E5-4660 v4 and Xeon E5-4640 v2 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores16 (Hexadeca-Core)10 (Deca-Core)
Threads3220
Base clock speed2.2 GHz2.2 GHz
Boost clock speed3 GHz2.7 GHz
Bus typeQPIno data
Bus rate2 × 9.6 GT/s8 GT/s
Multiplier22no data
L2 cache4 MBno data
L3 cache40 MB20 MB Intel® Smart Cache
Chip lithography14 nm22 nm
Die size456.12 mm2no data
Maximum core temperature83 °C75 °C
Number of transistors7200 Millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E5-4660 v4 and Xeon E5-4640 v2 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration4 (Multiprocessor)4
SocketFCLGA2011FCLGA2011
Power consumption (TDP)120 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-4660 v4 and Xeon E5-4640 v2. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVX2Intel® AVX
AES-NI++
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Access-no data
Demand Based Switchingno data+
PAE46 Bit46 Bit

Security technologies

Xeon E5-4660 v4 and Xeon E5-4640 v2 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-4660 v4 and Xeon E5-4640 v2 are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-4660 v4 and Xeon E5-4640 v2. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600, DDR3-1866
Maximum memory size1.5 TB768 GB
Max memory channels44
Maximum memory bandwidth68 GB/s59.7 GB/s
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by Xeon E5-4660 v4 and Xeon E5-4640 v2.

PCIe version3.03.0
PCI Express lanes4040

Pros & cons summary


Recency 20 June 2016 1 January 2014
Physical cores 16 10
Threads 32 20
Chip lithography 14 nm 22 nm
Power consumption (TDP) 120 Watt 95 Watt

Xeon E5-4660 v4 has an age advantage of 2 years, 60% more physical cores and 60% more threads, and a 57.1% more advanced lithography process.

Xeon E5-4640 v2, on the other hand, has 26.3% lower power consumption.

We couldn't decide between Xeon E5-4660 v4 and Xeon E5-4640 v2. We've got no test results to judge.


Should you still have questions on choice between Xeon E5-4660 v4 and Xeon E5-4640 v2, ask them in Comments section, and we shall answer.

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Intel Xeon E5-4660 v4
Xeon E5-4660 v4
Intel Xeon E5-4640 v2
Xeon E5-4640 v2

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